I was reading another thread on Heat Treated Wood vs. Pressure Treated wood and wanted to post some information on PT wood. I was going to post this on that thread but the thread got off on campers and RV's. I wanted to make sure that this info was made available just in case others thought that the post I made was about RV's.
As the title states, not all pressure treated wood are equal. There are various woods for different use, depending on what that use is for. I feel this information will help HI's perform a better inspection on wood that is supposed to be PT.
Here is a web site with some real good infprmation on the classifications on PT wood.
www.anthonyforest.com/pdfs/AWPA-Use-Category-System-U1-07.pdf
Here is a picture of PT markings and a brief description of what each symbol means. Hope this helps someone.